[jira] [Updated] (BEAM-1231) Use well known coder types in Java for WindowedValue, GlobalWindow, and LengthPrefix

["Luke Cwik (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-1231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Cwik updated BEAM-1231:
----------------------------
    Description: 
Add support for using kind for well known coder types in Apache Beam for Java

The following specific cloud object representations for the following types should exist:
kind:pair (TupleCoder with two components)
kind:stream (IterableCoder with a single component)
kind:global_window (GlobalWindowCoder)
kind:length_prefix (A new type of coder which always encodes the length of the value type as a prefix, has a single component)
kind:windowed_value (A wrapper coder with two components (value coder and window coder))

These changes are towards having a common binary representation for certain well known coders across multiple languages.

> Use well known coder types in Java for WindowedValue, GlobalWindow, and LengthPrefix
> ------------------------------------------------------------------------------------
>
>                 Key: BEAM-1231
>                 URL: https://issues.apache.org/jira/browse/BEAM-1231
>             Project: Beam
>          Issue Type: Bug
>          Components: beam-model-fn-api
>            Reporter: Luke Cwik
>            Assignee: Luke Cwik
>            Priority: Minor
>
> Add support for using kind for well known coder types in Apache Beam for Java
> The following specific cloud object representations for the following types should exist:
> kind:pair (TupleCoder with two components)
> kind:stream (IterableCoder with a single component)
> kind:global_window (GlobalWindowCoder)
> kind:length_prefix (A new type of coder which always encodes the length of the value type as a prefix, has a single component)
> kind:windowed_value (A wrapper coder with two components (value coder and window coder))
> These changes are towards having a common binary representation for certain well known coders across multiple languages.



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